CN102305415B - Plasma oil-free ignition system in oxygen-enriched environments - Google Patents

Plasma oil-free ignition system in oxygen-enriched environments Download PDF

Info

Publication number
CN102305415B
CN102305415B CN2011103156677A CN201110315667A CN102305415B CN 102305415 B CN102305415 B CN 102305415B CN 2011103156677 A CN2011103156677 A CN 2011103156677A CN 201110315667 A CN201110315667 A CN 201110315667A CN 102305415 B CN102305415 B CN 102305415B
Authority
CN
China
Prior art keywords
oxygen
plasma
sleeve
burner
catheter
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
CN2011103156677A
Other languages
Chinese (zh)
Other versions
CN102305415A (en
Inventor
郑路
张建文
李月华
赵洋
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Shanghai Boiler Works Co Ltd
Original Assignee
Shanghai Boiler Works Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Shanghai Boiler Works Co Ltd filed Critical Shanghai Boiler Works Co Ltd
Priority to CN2011103156677A priority Critical patent/CN102305415B/en
Publication of CN102305415A publication Critical patent/CN102305415A/en
Application granted granted Critical
Publication of CN102305415B publication Critical patent/CN102305415B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02PIGNITION, OTHER THAN COMPRESSION IGNITION, FOR INTERNAL-COMBUSTION ENGINES; TESTING OF IGNITION TIMING IN COMPRESSION-IGNITION ENGINES
    • F02P23/00Other ignition
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23DBURNERS
    • F23D1/00Burners for combustion of pulverulent fuel
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23QIGNITION; EXTINGUISHING-DEVICES
    • F23Q7/00Incandescent ignition; Igniters using electrically-produced heat, e.g. lighters for cigarettes; Electrically-heated glowing plugs
    • F23Q7/02Incandescent ignition; Igniters using electrically-produced heat, e.g. lighters for cigarettes; Electrically-heated glowing plugs for igniting solid fuel
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23DBURNERS
    • F23D2207/00Ignition devices associated with burner
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E20/00Combustion technologies with mitigation potential
    • Y02E20/32Direct CO2 mitigation
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E20/00Combustion technologies with mitigation potential
    • Y02E20/34Indirect CO2mitigation, i.e. by acting on non CO2directly related matters of the process, e.g. pre-heating or heat recovery

Abstract

The invention relates to a plasma oil-free ignition system in oxygen-enriched environments. The system comprises a plasma generator, a combustor, and a sleeve set, wherein the sleeve set and the combustor are coaxially arranged; the sleeve set comprises a plurality of coaxially-arranged sleeves, an annular space is respectively formed between two adjacent sleeves and between the sleeves and the combustor, an oxygen guide tube is arranged on each sleeve, and the combustor is provided with an oxygen guide tube; plasmas spouted out from the plasma generator are formed into a localized high-temperature area, and the localized high-temperature area is filled with high-temperature plasmas and pulverized coal airflows. Through supplementing a certain amount of oxygen to the inside of the combustor by the oxygen guide tube in the combustor, and a localized oxygen-enriched area is respectively formed in the annular space and a subsequent adjacent space through which an airflow flows, thereby realizing the oxygen-enriched combustion of volatile matters or cokes or a mixture of the volatile matters and the cokes, so that the pulverized coal airflows is combusted more severely and releases more heats, and finally, a primary air pulverized coal airflow is rapidly ignited and combusted stably. The plasma oil-free ignition system in oxygen-enriched environments provided by the invention is simple in structure, wide in coal applicability, and especially suitable for low-volatile coals.

Description

Plasma non-oil ignition system under a kind of oxygen-enriched environment
Technical field
The invention belongs to the thermal boiler field, relate to boiler accessories, relate in particular to the plasma non-oil ignition system under a kind of oxygen-enriched environment.
Background technology
The mode that traditional station boiler igniting is generally adopted is grease gun igniting.Put oil combustion gun during boiler ignition start earlier, oil behind the burning certain hour is heated to burner hearth the ignition temperature of breeze airflow in burner hearth, and be blown into burner hearth with coal dust and carry out oily coal multifuel combustion this moment.When boiler reaches more than 50% load, when breeze airflow can smooth combustion, fuel oil is excised gradually, finish the boiler ignition start process.In order to save cost, reduce the fuel oil consumption of station boiler, lot of domestic and international company has developed the plasma non-oil ignition technology, and is widely used at a lot of station boilers.
But because the steam coal ature of coal in the different places of production of China is widely different, plasma ignition comes with some shortcomings in actual applications:
The first, Plasma Firing Technology to the requirement of ature of coal than higher.Be on the station boiler of steam coal at home with bituminous coal at present, a large amount of successful plasma ignition application examples are arranged, tracing it to its cause is the dry ash free basis volatile content height (generally 30%~35%) of bituminous coal, and breeze airflow is lighted easily.And Plasma Firing Technology is relatively poor to the lower coal adaptability of volatile contents such as anthracite, meager coal and soft coal, the domestic example that rarely has meager coal boiler successful Application Plasma Firing Technology, the present example that does not also have anthracite-fired boiler successful Application Plasma Firing Technology.
The second, during ignition of the boiler, because the energy of plasma generator usually about 100~200KW, is not enough to coal dust is all lighted.Practical operation situation shows that boiler adopts Plasma Firing Technology, at the boiler startup initial stage, and the unburned carbon in flue dust height, a large amount of coal dusts do not have after-flame, and especially for the coal of difficult after-flame, the after-flame performance is poorer.Unburnt coal dust easily accumulates in the corrugated sheet of air preheater or the catalyst of SCR reactor sprays into the place, causes the second-time burning of uncombusted coal dust easily, causes major accident and economic loss.
The 3rd, during ignition of the boiler, for guaranteeing to stablize firing coal-dust, usually adopt higher coal powder density during actual motion, so load is higher during boiler startup, boiler heating speed is very fast, easily cause steam side temperature overtemperature, cause accidents such as superheater pipe overtemperature tube burst easily.
Summary of the invention
Plasma non-oil ignition system under a kind of oxygen-enriched environment provided by the invention is a kind of simple in structure, and coal is scalable, is particularly useful for the plasma non-oil ignition system under the oxygen-enriched environment of low-volatile coal.
In order to achieve the above object, the invention provides the plasma non-oil ignition system under a kind of oxygen-enriched environment, comprise plasma generator and burner, this plasma non-oil ignition system comprises one group of sleeve group that is arranged in the burner, this sleeve group and the coaxial setting of burner.
Described plasma generator inserts the sleeve group with coaxial or radial manner.
Described sleeve group comprises some coaxial sheathed sleeves, comprises a sleeve in this sleeve group at least.
Described sleeve shape of cross section is circle or rectangle.
Form annular space between the adjacent sleeve and between sleeve and the burner.According to different coals and ature of coal, the length of some sleeves is identical, and is perhaps different, different position grouping between the sleeve, form the annular space of different length or thickness, breeze airflow and oxygen fully mix in these annular spaces, are beneficial to breeze airflow and fully light in burner.
On the described sleeve oxygen catheter is installed, on the described burner oxygen catheter is installed, oxygen catheter can play the effect of Pulverized Coal Concentration ring.Oxygen enter between the sleeve by oxygen catheter and sleeve and burner between annular space in, form local oxygen-rich area in this annular space and in the air-flow follow-up adjacent space of flowing through, strengthen the burning of breeze airflow.
Described oxygen catheter is arranged on the side in face of the breeze airflow direction.
The cross sectional shape of described oxygen catheter is circle, ellipse, rhombus, triangle, wedge shape or trapezoidal.
Wall in face of the breeze airflow direction in the described oxygen catheter is plane or curved wall.
Described oxygen catheter is perhaps laid wear-resistant ceramic at build-up wear-resistant metal on the tube wall of breeze airflow direction, perhaps adopts abrasion-resistant cast steel material.Prevent wearing and tearing, the protection oxygen catheter life-span.
The tube wall that described oxygen catheter deviates from the breeze airflow direction is provided with some cannelures, and some perforates perhaps are set, and some oxygen jets perhaps are set.Oxygen enters burner and coal dust blending by cannelure, perforate, oxygen jet.
The injection direction of described oxygen jet and the flow direction of breeze airflow are the angle of 0o~80o.The flow direction of oxygen can cause suitable disturbance with the flow direction difference of breeze airflow, is beneficial to the abundant mixing of oxygen and breeze airflow.
The spout place of described burner is equipped with back of the body air-flow oxygen catheter.Back of the body air-flow oxygen catheter directly feeds burner hearth, and oxygen enters burner hearth by back of the body air-flow oxygen catheter, by supplemental oxygen, forms local oxygen-enriched combusting district at the burner nozzle place, strengthens the burning of breeze airflow in burner and burner hearth.
Described back of the body gas oxygen catheter is provided with some cannelures towards the tube wall of burner hearth direction, and some perforates perhaps are set, and some oxygen jets perhaps are set.Oxygen passes through cannelure, perhaps perforate, perhaps to enter burner hearth combustion-supporting for oxygen jet, form local oxygen-enriched combusting district at the burner nozzle place, strengthen the burning of breeze airflow in burner and burner hearth, improve the wall thermic load in zone, combustion zone, improved the burn-off rate of coal dust, reduced the possibility of boiler extinguishment.
Oxygen flow in the described oxygen catheter can be regulated.According to different coals and ature of coal, adjusting sprays into the amount of oxygen in the annular space between the different sleeves, oxygen-rich concentration in the local oxygen-rich areas different in the burner can be regulated, make the combustion intensity of local oxygen-rich areas different in the burner controlled, guarantee breeze airflow controllable burning in burner, when discharging a large amount of heat, be unlikely to burn out burner itself.
Described oxygen catheter also can bubbling air, nitrogen or carbon dioxide gas, after ignition of the boiler finishes, oxygen catheter is purged, and prevents that coal dust or lime-ash from stopping up.
In burner of the present invention, the plasma of plasma generator ejection forms a localized hyperthermia district, and high-temperature plasma and breeze airflow are full of wherein.Pulverized coal particle discharges fugitive constituent rapidly under the effect of high-temperature plasma, carry oxygen contained in the air of coal dust rapidly and fugitive constituent generation chemical reaction, and conflagration also discharges heat.At this moment in burner, replenish a certain amount of oxygen by the oxygen catheter in the burner, form local oxygen-rich area, realize the oxygen-enriched combusting of fugitive constituent or coke or the two mixture, make the burning of breeze airflow more violent, discharge more heat, finally light a wind breeze airflow rapidly and make it smooth combustion.
Advantage of the present invention is: the station boiler igniting can be fully without fuel oil, direct firing coal-dust airflow, especially at the steam coal with low-volatile, low heat value, these typical colm features of ash-rich, adopt burner of the present invention directly to light, and the burn-off rate height.Burner of the present invention namely can serve as the start-up burner of boiler, also can serve as the main burner of boiler.The present invention is simple in structure, and is reasonable in design, and investment and operating cost are moderate, the cost performance height.
Description of drawings
Fig. 1 is plasma non-oil ignition buner system structural representation provided by the invention (axial arranged);
Fig. 2 is plasma non-oil ignition buner system structural representation provided by the invention (radial arrangement);
Fig. 3 is the generalized section of oxygen catheter structure;
Fig. 4 is the enlarged diagram of oxygen catheter structure;
Fig. 5 is the generalized section of oxygen catheter structure;
Fig. 6 is the generalized section of oxygen catheter structure;
Fig. 7 is the generalized section of oxygen catheter structure;
Fig. 8 is the generalized section of oxygen catheter structure;
Fig. 9 is the generalized section of oxygen catheter structure;
Figure 10 is the generalized section of oxygen catheter structure;
Figure 11 is the generalized section of oxygen catheter structure;
Figure 12 is the generalized section of oxygen catheter structure.
The specific embodiment
Following according to Fig. 1~Figure 12, specify preferred embodiment of the present invention.
Embodiment 1
As Fig. 1, Fig. 3 and shown in Figure 4, the invention provides the plasma non-oil ignition system under a kind of oxygen-enriched environment, comprise plasma generator 1 and burner 2.Burner 2 contains sleeve 9 and sleeve 10, and plasma generator 1, burner 2, sleeve 9 and sleeve 10 adopt the coaxial direction mode to arrange.There is an annular space A between sleeve 9 and the plasma generator 1, oxygen catheter 3 is installed on the inwall of sleeve 9 left ends, oxygen catheter 3 is except providing oxygen, also play the effect of Pulverized Coal Concentration ring, the tube wall outside build-up wear-resistant metal in face of the breeze airflow direction of oxygen catheter 3, oxygen catheter 3 deviates from the tube wall of breeze airflow direction and is furnished with cannelure 101, oxygen enters annular space A and coal dust blending by cannelure 101, forms local oxygen-rich area in annular space A and adjacent area.There is an annular space B between sleeve 10 and the sleeve 9, oxygen catheter 4 is installed on the inwall of sleeve 10 left ends, there is an annular space C between sleeve 10 and the burner 2, oxygen catheter 8 is installed on the inwall of burner 2, oxygen catheter 4 and oxygen catheter 8 are similar to oxygen catheter 3, it can play the effect of Pulverized Coal Concentration ring in face of the outer tube wall of breeze airflow direction, deviates from the tube wall of breeze airflow direction, is furnished with cannelure 101.In like manner, breeze airflow and oxygen can be in annular space B, annular space C fully blending, form local oxygen-rich area at annular space B, annular space C and adjacent area.
During plasma non-oil ignition system work, breeze airflow enters in the burner 2, and be divided into 3 parts and enter annular space A, in annular space B and the annular space C, plasma generator 1 produces high-temperature plasma and form a localized hyperthermia district in sleeve 9, the pulverized coal particle fast pyrolysis discharges fugitive constituent, and fugitive constituent burns rapidly, by changing the aperture of control valve 5, can in sleeve 9, form local oxygen-rich area, further impel the breeze airflow burning, by the aperture of change control valve 6 and the aperture of control valve 7, can in annular space B and annular space C and adjacent space, form local oxygen-rich area, impel coal dust to burn rapidly.Can control simultaneously the degree of enrichment of local oxygen-rich area, the combustion intensity of coal dust in the burner is controlled.Burner 2 spout places are furnished with back of the body air-flow oxygen catheter 11, and back of the body air-flow oxygen catheter 11 is furnished with cannelure 101 on the wall of boiler furnace.It is combustion-supporting that oxygen can spray into burner hearth by cannelure 101, form local oxygen-enriched combusting district at the burner nozzle place, strengthen the burning of breeze airflow in burner hearth, improved the wall thermic load in zone, combustion zone, improved the burn-off rate of coal dust, reduced the possibility of boiler extinguishment, finally made a general mood stream light smooth combustion rapidly.
After finishing ignition process, when plasma pulverized coal ignition burner uses as main burner, close oxygen valve 12, open purging air valve 13, make to purge compressed air by oxygen catheter, and oxygen catheter, cannelure 101 etc. is purged, prevent that the other coal dust of oxygen catheter or lime-ash from stopping up.Blowing medium also can adopt nitrogen or carbon dioxide.
Embodiment 2
As Fig. 2, Fig. 3 and shown in Figure 4, the difference of present embodiment and embodiment 1 is that plasma generator 1 inserts plasma burner from the radial direction of burner 2, and the high-temperature plasma of plasma generator ejection can be filled in the sleeve 9.
Embodiment 3
As shown in Figure 5, the difference of present embodiment and embodiment 1 is, oxygen catheter 3,4,8 cross sectional shape are triangular shaped, and its wall in face of the breeze airflow direction is arcwall face.It deviates from arranges cannelure 101 on the wall of breeze airflow direction, oxygen enters burner with the coal dust blending by cannelure 101.
Embodiment 4
As shown in Figure 6, the difference of present embodiment and embodiment 1 is, is trapezoidal shape at oxygen catheter 3,4,8 cross sectional shape, deviates from the wall of breeze airflow direction and arranges cannelure 101, and oxygen enters burner with the coal dust blending by cannelure 101.
Embodiment 5
As shown in Figure 7, the difference of present embodiment and embodiment 1 is, deviates from the wall of breeze airflow direction at oxygen catheter 3,4,8 and arranges 8 oxygen perforates 102, and oxygen enters burner with the coal dust blending by oxygen perforate 102.
Embodiment 6
As shown in Figure 8, the difference of present embodiment and embodiment 1 is, oxygen catheter 3,4,8 cross sectional shape are triangular shaped, and its wall in face of the breeze airflow direction is arcwall face.Deviate from the wall of breeze airflow direction at oxygen catheter and arrange 8 oxygen perforates 102, oxygen enters burner with the coal dust blending by oxygen perforate 102.
Embodiment 7
As shown in Figure 9, the difference of present embodiment and embodiment 1 is, oxygen catheter 3,4,8 cross sectional shape are trapezoidal shape, deviate from the wall of breeze airflow direction at oxygen catheter and arrange 8 oxygen perforates 102, and oxygen enters burner with the coal dust blending by oxygen perforate 102.
Embodiment 8
As shown in figure 10, the difference of present embodiment and embodiment 1 is, deviates from the wall of breeze airflow direction at oxygen catheter 3,4,8 and arranges 8 oxygen jets 103, and oxygen enters burner with the coal dust blending by oxygen jet 103.
Embodiment 9
As shown in figure 11, the difference of present embodiment and embodiment 1 is, oxygen catheter 3,4,8 cross sectional shape are triangle shape shape, and its wall in face of the breeze airflow direction is arcwall face.Deviate from the wall of breeze airflow direction at oxygen catheter and arrange 8 oxygen jets 103, oxygen enters burner with the coal dust blending by oxygen jet 103.
Embodiment 10
As shown in figure 12, the difference of present embodiment and embodiment 1 is, oxygen catheter 3,4,8 cross sectional shape are trapezoidal shape, deviate from the wall of breeze airflow direction at oxygen catheter and arrange 8 oxygen jets 103, and oxygen enters burner with the coal dust blending by oxygen jet 103.
Although content of the present invention has been done detailed introduction by above preferred embodiment, will be appreciated that above-mentioned description should not be considered to limitation of the present invention.After those skilled in the art have read foregoing, for multiple modification of the present invention with to substitute all will be apparent.Therefore, protection scope of the present invention should be limited to the appended claims.

Claims (9)

1. the plasma non-oil ignition system under the oxygen-enriched environment, comprise plasma generator (1) and burner (2), it is characterized in that this plasma non-oil ignition system comprises one group of sleeve group that is arranged in the burner (2), this sleeve group and the coaxial setting of burner (2);
Described sleeve group comprises some coaxial sheathed sleeves (9,10), comprises a sleeve in this sleeve group at least;
Form annular space (A, B, C) between the adjacent sleeve and between sleeve and the burner (2);
Oxygen catheter (3,4) is installed on the described sleeve, oxygen catheter (8) is installed on the described burner (2);
Described plasma generator (1) inserts the sleeve group with coaxial or radial manner;
Described oxygen catheter (3,4,8) is arranged on the side in face of the breeze airflow direction;
The tube wall that described oxygen catheter (3,4,8) deviates from the breeze airflow direction is provided with some cannelures (101), and some perforates (102) perhaps are set, and some oxygen jets (103) perhaps are set.
2. the plasma non-oil ignition system under the oxygen-enriched environment as claimed in claim 1 is characterized in that, the shape of cross section of described sleeve (9,10) is circle or rectangle.
3. the plasma non-oil ignition system under the oxygen-enriched environment as claimed in claim 1 is characterized in that, the cross sectional shape of described oxygen catheter (3,4,8) is circle, ellipse, rhombus, triangle, wedge shape or trapezoidal.
4. the plasma non-oil ignition system under the oxygen-enriched environment as claimed in claim 1 is characterized in that, the wall in face of the breeze airflow direction in the described oxygen catheter (3,4,8) is plane or curved wall.
5. the plasma non-oil ignition system under the oxygen-enriched environment as claimed in claim 1 is characterized in that, described oxygen catheter (3,4,8) is being laid wear-resistant ceramic in face of the tube wall of breeze airflow direction, perhaps adopts abrasion-resistant cast steel material.
6. the plasma non-oil ignition system under the oxygen-enriched environment as claimed in claim 1 is characterized in that, the injection direction of described oxygen jet and the flow direction of breeze airflow are the angle of 0o~80o.
7. the plasma non-oil ignition system under the oxygen-enriched environment as claimed in claim 2 is characterized in that, the spout place of described burner (2) is equipped with back of the body air-flow oxygen catheter (11).
8. the plasma non-oil ignition system under the oxygen-enriched environment as claimed in claim 7, it is characterized in that, described back of the body air-flow oxygen catheter (11) is provided with some cannelures (101) towards the tube wall of burner hearth direction, some perforates (102) perhaps are set, some oxygen jets (103) perhaps are set.
9. as the plasma non-oil ignition system under one of the above-mentioned any claim described oxygen-enriched environment, it is characterized in that the oxygen flow in described oxygen catheter (3,4,8) and the back of the body air-flow oxygen catheter (11) can be regulated.
CN2011103156677A 2011-10-18 2011-10-18 Plasma oil-free ignition system in oxygen-enriched environments Active CN102305415B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2011103156677A CN102305415B (en) 2011-10-18 2011-10-18 Plasma oil-free ignition system in oxygen-enriched environments

Applications Claiming Priority (6)

Application Number Priority Date Filing Date Title
CN2011103156677A CN102305415B (en) 2011-10-18 2011-10-18 Plasma oil-free ignition system in oxygen-enriched environments
PCT/CN2012/071195 WO2013056524A1 (en) 2011-10-18 2012-02-16 Plasma oil-free fire lighting system in oxygen-enriched environment
PL403825A PL224481B1 (en) 2011-10-18 2012-02-16 Plasma oil-free ignition system used in an oxygen-enriched environment
US13/808,108 US9181919B2 (en) 2011-10-18 2012-02-16 Plasma oil-free ignition system in oxygen enriched environment
AU2012244364A AU2012244364B2 (en) 2011-10-18 2012-02-16 Plasma oil-free ignition system in oxygen enriched environment
EP12824756.6A EP2770257A4 (en) 2011-10-18 2012-02-16 Plasma oil-free fire lighting system in oxygen-enriched environment

Publications (2)

Publication Number Publication Date
CN102305415A CN102305415A (en) 2012-01-04
CN102305415B true CN102305415B (en) 2013-10-09

Family

ID=45379303

Family Applications (1)

Application Number Title Priority Date Filing Date
CN2011103156677A Active CN102305415B (en) 2011-10-18 2011-10-18 Plasma oil-free ignition system in oxygen-enriched environments

Country Status (6)

Country Link
US (1) US9181919B2 (en)
EP (1) EP2770257A4 (en)
CN (1) CN102305415B (en)
AU (1) AU2012244364B2 (en)
PL (1) PL224481B1 (en)
WO (1) WO2013056524A1 (en)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102305415B (en) * 2011-10-18 2013-10-09 上海锅炉厂有限公司 Plasma oil-free ignition system in oxygen-enriched environments
CN102588997B (en) * 2012-03-07 2014-07-09 上海锅炉厂有限公司 Oxygen enriched combustion system
CN103017160B (en) * 2013-01-15 2016-05-04 烟台龙源电力技术股份有限公司 A kind of start-up burner of pure oxygen combustion-supporting
CN103017190B (en) * 2013-01-15 2014-12-31 烟台龙源电力技术股份有限公司 Oxygenating device igniting with little oil or without oil
CN103075733B (en) * 2013-01-23 2015-07-15 四川明日得投资管理咨询有限责任公司 Device and method for harmless treatment of rural garbage
EP3130851B1 (en) 2015-08-13 2021-03-24 General Electric Technology GmbH System and method for providing combustion in a boiler
US10473327B2 (en) 2016-06-09 2019-11-12 General Electric Technology Gmbh System and method for increasing the concentration of pulverized fuel in a power plant
CN108194943B (en) * 2017-12-29 2020-03-03 西安航天动力研究所 Plasma ignition device of high-pressure high-flow liquid oxygen kerosene engine
CN110346409A (en) * 2019-08-01 2019-10-18 太原市海通自动化技术有限公司 A kind of method and device carrying out calorific value of coal analysis using high-temperature plasma

Family Cites Families (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3238206A1 (en) * 1982-10-15 1984-04-19 Bergwerksverband Gmbh IGNITION DEVICE FOR CARBON DUST BURNERS
JPH059684B2 (en) * 1984-03-14 1993-02-05 Hitachi Seisakusho Kk
AU598147B2 (en) * 1987-08-13 1990-06-14 Connell Wagner Pty Ltd Pulverised fuel burner
JPH1155105A (en) * 1997-07-31 1999-02-26 Nippon Telegr & Teleph Corp <Ntt> Re-timing circuit
CN2326843Y (en) * 1998-03-31 1999-06-30 烟台开发区龙源电力燃烧控制工程有限公司 Combustor for plasma ignition device
CN2605476Y (en) * 2003-03-11 2004-03-03 陈昌俊 Three-vortex muffle burner
CN2665548Y (en) * 2003-10-20 2004-12-22 黄继祥 Non-oil igniting device using plasma igniting boiler coal powder
CN2752615Y (en) * 2004-11-25 2006-01-18 韩剑锋 Internal air film circumferential air type pulverized coal burner
US8696348B2 (en) * 2006-04-26 2014-04-15 Air Products And Chemicals, Inc. Ultra-low NOx burner assembly
CN200940831Y (en) * 2006-05-17 2007-08-29 杭州意能电力技术有限公司 Pulverized coal burner with partition
EP2172706A4 (en) * 2007-07-19 2012-05-09 Yantai Longyuan Power Tech Co A burner ignited by plasma
WO2009092234A1 (en) * 2007-12-27 2009-07-30 Beijing Guangyao Electricity Equipment Co., Ltd An ac plasma ejection gun and its power supply method and a pulverized coal burner
CN101532662B (en) * 2008-03-14 2013-01-02 烟台龙源电力技术股份有限公司 Method for reducing nitrogen oxides by coal dust boiler of internal combustion burner
CN100582581C (en) * 2008-08-22 2010-01-20 西安交通大学 Plasma non-oil ignition system for low volatile steam coal
CN201582810U (en) * 2009-12-15 2010-09-15 中国航天空气动力技术研究院 Dual-strengthening micro-oil ignition and flame stabilizer with oxygen combustion supporting
CN101886816A (en) * 2010-04-14 2010-11-17 中国电力工程顾问集团华北电力设计院工程有限公司 Improved plasma ignition nozzle of coal dust gasifier and mode
CN102305415B (en) * 2011-10-18 2013-10-09 上海锅炉厂有限公司 Plasma oil-free ignition system in oxygen-enriched environments

Also Published As

Publication number Publication date
AU2012244364A1 (en) 2013-05-02
WO2013056524A1 (en) 2013-04-25
CN102305415A (en) 2012-01-04
AU2012244364B2 (en) 2014-06-26
US9181919B2 (en) 2015-11-10
US20130333676A1 (en) 2013-12-19
EP2770257A1 (en) 2014-08-27
PL403825A1 (en) 2014-02-17
PL224481B1 (en) 2016-12-30
EP2770257A4 (en) 2015-07-08

Similar Documents

Publication Publication Date Title
CN102305415B (en) Plasma oil-free ignition system in oxygen-enriched environments
CA2827331C (en) Low nox combustion process and burner therefor
CN101532678A (en) Brown gas (oxyhydrogen gas) ignition system of coal burning boiler of power plant
CN102519037B (en) Plasma oil-free ignition combustor
ES2751145T3 (en) Procedure to implement an oxy-fuel
CN104089299B (en) Low nitrogen burning method
CN203385194U (en) Porous medium smoke hot blast stove capable of combusting low-grade fuel
CZ417098A3 (en) Method of controlling operation of core burner for making radially layered flame
CN201526966U (en) Special burner used for circular internal combustion type blast-furnace gas power generation boiler and provided with cone fluidic device
CN111023084A (en) W flame boiler of double-cyclone-cylinder thick and thin pulverized coal separating type burner
CN201875703U (en) Pulverized coal burner and pulverized coal boiler
CN102444890B (en) Micro-oil ignition burner
RU2348861C1 (en) Swirling-type furnace for solid fuel ignition
CN102330973A (en) Blending gas-solid mixed fuel technology of CFB (circulating fluid bed) boiler
CN102818265B (en) Application of heat-accumulating high-temperature air burning method in burner and burning furnace
CN212456842U (en) Low-heat value gas burner with heat storage stable flame cone
CN111947135B (en) Combustion method of W flame boiler capable of realizing self-stable combustion of ultralow-load concentrated pulverized coal airflow
CN110319437B (en) Oxygen-enriched multi-flame rotational flow pulverized coal burner
CN110793195B (en) Hot-blast furnace equipment suitable for low-heating-value fuel low-oxygen combustion
CN102032591A (en) Pulverized coal ignition system and control method thereof
CN111947137B (en) Oil secondary air assisted ignition self-stable combustion W flame boiler and self-stable combustion method
CN201137933Y (en) Low NOx coal fines thick and thin oil-saving burner
RU169645U1 (en) Vertical prismatic low emission heater
FI100355B (en) Method and apparatus for combustion of gas in a fireplace
CN103307595B (en) It is a kind of to extend the application method that small and medium-sized industrial coal powder boilers are applicable the device of coal

Legal Events

Date Code Title Description
PB01 Publication
C06 Publication
SE01 Entry into force of request for substantive examination
C10 Entry into substantive examination
GR01 Patent grant
C14 Grant of patent or utility model